11625646 has 4 divisors (see below), whose sum is σ = 17438472. Its totient is φ = 5812822.

The previous prime is 11625631. The next prime is 11625703. The reversal of 11625646 is 64652611.

11625646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2906410 + ... + 2906413.

It is an arithmetic number, because the mean of its divisors is an integer number (4359618).

Almost surely, 2^11625646 is an apocalyptic number.

11625646 is a deficient number, since it is larger than the sum of its proper divisors (5812826).

11625646 is an equidigital number, since it uses as much as digits as its factorization.

11625646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812825.

The product of its digits is 8640, while the sum is 31.

The square root of 11625646 is about 3409.6401569667. The cubic root of 11625646 is about 226.5369408599.

It can be divided in two parts, 11625 and 646, that multiplied together give a triangular number (7509750 = T₃₈₇₅).

The spelling of 11625646 in words is "eleven million, six hundred twenty-five thousand, six hundred forty-six".