11949157 has 8 divisors (see below), whose sum is σ = 13721760. Its totient is φ = 10290960.

The previous prime is 11949149. The next prime is 11949173. The reversal of 11949157 is 75194911.

11949157 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 a cyclic number.

It is not a de Polignac number, because 11949157 - 2³ = 11949149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949127) 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, 28378 + ... + 28795.

It is an arithmetic number, because the mean of its divisors is an integer number (1715220).

Almost surely, 2^11949157 is an apocalyptic number.

It is an amenable number.

11949157 is a deficient number, since it is larger than the sum of its proper divisors (1772603).

11949157 is a wasteful number, since it uses less digits than its factorization.

11949157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57203.

The product of its digits is 11340, while the sum is 37.

The square root of 11949157 is about 3456.7552704813. The cubic root of 11949157 is about 228.6190535249.

The spelling of 11949157 in words is "eleven million, nine hundred forty-nine thousand, one hundred fifty-seven".