1379507 has 4 divisors (see below), whose sum is σ = 1382256. Its totient is φ = 1376760.

The previous prime is 1379503. The next prime is 1379509. The reversal of 1379507 is 7059731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1379507 - 2² = 1379503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1704.

It is an arithmetic number, because the mean of its divisors is an integer number (345564).

2^1379507 is an apocalyptic number.

1379507 is a deficient number, since it is larger than the sum of its proper divisors (2749).

1379507 is an equidigital number, since it uses as much as digits as its factorization.

1379507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 1379507 is about 1174.5241589682. The cubic root of 1379507 is about 111.3203687279.

It can be divided in two parts, 1379 and 507, that multiplied together give a triangular number (699153 = T₁₁₈₂).

The spelling of 1379507 in words is "one million, three hundred seventy-nine thousand, five hundred seven".