11976145 has 16 divisors (see below), whose sum is σ = 14997312. Its totient is φ = 9172800.

The previous prime is 11976131. The next prime is 11976179. The reversal of 11976145 is 54167911.

It is not a de Polignac number, because 11976145 - 2⁵ = 11976113 is a prime.

It is a super-2 number, since 2×11976145² = 286856098122050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11976145.

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, 10870 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (937332).

Almost surely, 2^11976145 is an apocalyptic number.

It is an amenable number.

11976145 is a deficient number, since it is larger than the sum of its proper divisors (3021167).

11976145 is a wasteful number, since it uses less digits than its factorization.

11976145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 7560, while the sum is 34.

The square root of 11976145 is about 3460.6567295818. The cubic root of 11976145 is about 228.7910414382.

It can be divided in two parts, 11976 and 145, that added together give a palindrome (12121).

The spelling of 11976145 in words is "eleven million, nine hundred seventy-six thousand, one hundred forty-five".