11961444 has 24 divisors (see below), whose sum is σ = 30447648. Its totient is φ = 3624640.

The previous prime is 11961413. The next prime is 11961451. The reversal of 11961444 is 44416911.

It is a super-2 number, since 2×11961444² = 286152285130272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45177 + ... + 45440.

It is an arithmetic number, because the mean of its divisors is an integer number (1268652).

Almost surely, 2^11961444 is an apocalyptic number.

It is an amenable number.

11961444 is an abundant number, since it is smaller than the sum of its proper divisors (18486204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11961444 is a wasteful number, since it uses less digits than its factorization.

11961444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90635 (or 90633 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 11961444 is about 3458.5320585474. The cubic root of 11961444 is about 228.6973876433.

The spelling of 11961444 in words is "eleven million, nine hundred sixty-one thousand, four hundred forty-four".