14991764 has 12 divisors (see below), whose sum is σ = 26263188. Its totient is φ = 7488000.

The previous prime is 14991763. The next prime is 14991793. The reversal of 14991764 is 46719941.

It can be written as a sum of positive squares in 2 ways, for example, as 13322500 + 1669264 = 3650^2 + 1292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5234 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (2188599).

Almost surely, 2^14991764 is an apocalyptic number.

It is an amenable number.

14991764 is a deficient number, since it is larger than the sum of its proper divisors (11271424).

14991764 is a wasteful number, since it uses less digits than its factorization.

14991764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946 (or 3944 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 14991764 is about 3871.9199371888. The cubic root of 14991764 is about 246.5760620080.

The spelling of 14991764 in words is "fourteen million, nine hundred ninety-one thousand, seven hundred sixty-four".