1372712267 has 4 divisors (see below), whose sum is σ = 1406193096. Its totient is φ = 1339231440.

The previous prime is 1372712261. The next prime is 1372712273. The reversal of 1372712267 is 7622172731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7622172731 = 103 ⋅74001677.

It is an interprime number because it is at equal distance from previous prime (1372712261) and next prime (1372712273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372712267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372712267.

It is not an unprimeable number, because it can be changed into a prime (1372712261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16740353 + ... + 16740434.

It is an arithmetic number, because the mean of its divisors is an integer number (351548274).

Almost surely, 2^1372712267 is an apocalyptic number.

1372712267 is a deficient number, since it is larger than the sum of its proper divisors (33480829).

1372712267 is an equidigital number, since it uses as much as digits as its factorization.

1372712267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33480828.

The product of its digits is 49392, while the sum is 38.

The square root of 1372712267 is about 37050.1318081326. The cubic root of 1372712267 is about 1111.3729911029.

Adding to 1372712267 its reverse (7622172731), we get a palindrome (8994884998).

The spelling of 1372712267 in words is "one billion, three hundred seventy-two million, seven hundred twelve thousand, two hundred sixty-seven".