11956142 has 32 divisors (see below), whose sum is σ = 20680704. Its totient is φ = 5133600.

The previous prime is 11956121. The next prime is 11956177. The reversal of 11956142 is 24165911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31868 + ... + 32240.

It is an arithmetic number, because the mean of its divisors is an integer number (646272).

Almost surely, 2^11956142 is an apocalyptic number.

11956142 is a deficient number, since it is larger than the sum of its proper divisors (8724562).

11956142 is a wasteful number, since it uses less digits than its factorization.

11956142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 2160, while the sum is 29.

The square root of 11956142 is about 3457.7654634171. The cubic root of 11956142 is about 228.6635920372.

It can be divided in two parts, 1195 and 6142, that added together give a palindrome (7337).

The spelling of 11956142 in words is "eleven million, nine hundred fifty-six thousand, one hundred forty-two".