11990725 has 6 divisors (see below), whose sum is σ = 14868530. Its totient is φ = 9592560.

The previous prime is 11990723. The next prime is 11990743. The reversal of 11990725 is 52709911.

It can be written as a sum of positive squares in 3 ways, for example, as 2712609 + 9278116 = 1647^2 + 3046^2 .

It is not a de Polignac number, because 11990725 - 2¹ = 11990723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239790 + ... + 239839.

Almost surely, 2^11990725 is an apocalyptic number.

It is an amenable number.

11990725 is a deficient number, since it is larger than the sum of its proper divisors (2877805).

11990725 is an equidigital number, since it uses as much as digits as its factorization.

11990725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479639 (or 479634 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 11990725 is about 3462.7626254192. The cubic root of 11990725 is about 228.8838487263.

The spelling of 11990725 in words is "eleven million, nine hundred ninety thousand, seven hundred twenty-five".