13650244 has 6 divisors (see below), whose sum is σ = 23887934. Its totient is φ = 6825120.

The previous prime is 13650233. The next prime is 13650277. The reversal of 13650244 is 44205631.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 473344 = 3630^2 + 688^2 .

It is a super-2 number, since 2×13650244² = 372658322519072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706277 + ... + 1706284.

Almost surely, 2^13650244 is an apocalyptic number.

It is an amenable number.

13650244 is a deficient number, since it is larger than the sum of its proper divisors (10237690).

13650244 is a wasteful number, since it uses less digits than its factorization.

13650244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412565 (or 3412563 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 13650244 is about 3694.6236614843. The cubic root of 13650244 is about 238.9902250281.

Adding to 13650244 its reverse (44205631), we get a palindrome (57855875).

The spelling of 13650244 in words is "thirteen million, six hundred fifty thousand, two hundred forty-four".