11940657 has 8 divisors (see below), whose sum is σ = 16613184. Its totient is φ = 7614288.

The previous prime is 11940653. The next prime is 11940659. The reversal of 11940657 is 75604911.

11940657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11940657 - 2² = 11940653 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11940653) 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, 86458 + ... + 86595.

It is an arithmetic number, because the mean of its divisors is an integer number (2076648).

Almost surely, 2^11940657 is an apocalyptic number.

It is an amenable number.

11940657 is a deficient number, since it is larger than the sum of its proper divisors (4672527).

11940657 is a wasteful number, since it uses less digits than its factorization.

11940657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173079.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 11940657 is about 3455.5255750754. The cubic root of 11940657 is about 228.5648314874.

The spelling of 11940657 in words is "eleven million, nine hundred forty thousand, six hundred fifty-seven".