11964720 has 40 divisors (see below), whose sum is σ = 37091376. Its totient is φ = 3190528.

The previous prime is 11964713. The next prime is 11964731. The reversal of 11964720 is 2746911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 24687 + ... + 25166.

Almost surely, 2^11964720 is an apocalyptic number.

11964720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11964720 is an abundant number, since it is smaller than the sum of its proper divisors (25126656).

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

11964720 is a wasteful number, since it uses less digits than its factorization.

11964720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49869 (or 49863 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 11964720 is about 3459.0056374629. The cubic root of 11964720 is about 228.7182642826.

The spelling of 11964720 in words is "eleven million, nine hundred sixty-four thousand, seven hundred twenty".