11872507 has 4 divisors (see below), whose sum is σ = 11888640. Its totient is φ = 11856376.

The previous prime is 11872459. The next prime is 11872517. The reversal of 11872507 is 70527811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70527811 = 809 ⋅87179.

It is a cyclic number.

It is not a de Polignac number, because 11872507 - 2⁷ = 11872379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11872517) 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, 6907 + ... + 8452.

It is an arithmetic number, because the mean of its divisors is an integer number (2972160).

Almost surely, 2^11872507 is an apocalyptic number.

11872507 is a deficient number, since it is larger than the sum of its proper divisors (16133).

11872507 is an equidigital number, since it uses as much as digits as its factorization.

11872507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16132.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11872507 is about 3445.6504465775. The cubic root of 11872507 is about 228.1291652958.

The spelling of 11872507 in words is "eleven million, eight hundred seventy-two thousand, five hundred seven".