11945772 has 24 divisors (see below), whose sum is σ = 30970800. Its totient is φ = 3981888.

The previous prime is 11945753. The next prime is 11945797. The reversal of 11945772 is 27754911.

It is a happy number.

11945772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 55197 + ... + 55412.

It is an arithmetic number, because the mean of its divisors is an integer number (1290450).

Almost surely, 2^11945772 is an apocalyptic number.

11945772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11945772 is an abundant number, since it is smaller than the sum of its proper divisors (19025028).

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

11945772 is a wasteful number, since it uses less digits than its factorization.

11945772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110622 (or 110614 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 11945772 is about 3456.2656147929. The cubic root of 11945772 is about 228.5974634779.

The spelling of 11945772 in words is "eleven million, nine hundred forty-five thousand, seven hundred seventy-two".