1267213 has 8 divisors (see below), whose sum is σ = 1347480. Its totient is φ = 1189440.

The previous prime is 1267199. The next prime is 1267223. The reversal of 1267213 is 3127621.

It can be written as a sum of positive squares in 4 ways, for example, as 751689 + 515524 = 867^2 + 718^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1267213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (168435).

2^1267213 is an apocalyptic number.

It is an amenable number.

1267213 is a deficient number, since it is larger than the sum of its proper divisors (80267).

1267213 is a wasteful number, since it uses less digits than its factorization.

1267213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its digits is 504, while the sum is 22.

The square root of 1267213 is about 1125.7055565289. The cubic root of 1267213 is about 108.2139392070.

The spelling of 1267213 in words is "one million, two hundred sixty-seven thousand, two hundred thirteen".