11945544 has 32 divisors (see below), whose sum is σ = 32161920. Its totient is φ = 3675456.

The previous prime is 11945519. The next prime is 11945581. The reversal of 11945544 is 44554911.

It is a nialpdrome in base 8.

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, 18832 + ... + 19455.

It is an arithmetic number, because the mean of its divisors is an integer number (1005060).

Almost surely, 2^11945544 is an apocalyptic number.

It is an amenable number.

11945544 is an abundant number, since it is smaller than the sum of its proper divisors (20216376).

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

11945544 is a wasteful number, since it uses less digits than its factorization.

11945544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38309 (or 38305 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 11945544 is about 3456.2326310594. The cubic root of 11945544 is about 228.5960091125.

The spelling of 11945544 in words is "eleven million, nine hundred forty-five thousand, five hundred forty-four".