13937764 has 6 divisors (see below), whose sum is σ = 24391094. Its totient is φ = 6968880.

The previous prime is 13937743. The next prime is 13937767. The reversal of 13937764 is 46773931.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 2377764 = 3400^2 + 1542^2 .

It is a super-2 number, since 2×13937764² = 388522530639392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13937767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742217 + ... + 1742224.

Almost surely, 2^13937764 is an apocalyptic number.

It is an amenable number.

13937764 is a deficient number, since it is larger than the sum of its proper divisors (10453330).

13937764 is a wasteful number, since it uses less digits than its factorization.

13937764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484445 (or 3484443 counting only the distinct ones).

The product of its digits is 95256, while the sum is 40.

The square root of 13937764 is about 3733.3314880948. The cubic root of 13937764 is about 240.6565587213.

The spelling of 13937764 in words is "thirteen million, nine hundred thirty-seven thousand, seven hundred sixty-four".