13690252 has 6 divisors (see below), whose sum is σ = 23957948. Its totient is φ = 6845124.

The previous prime is 13690213. The next prime is 13690277. The reversal of 13690252 is 25209631.

It is a self number, because there is not a number n which added to its sum of digits gives 13690252.

It is an unprimeable number.

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, 1711278 + ... + 1711285.

Almost surely, 2^13690252 is an apocalyptic number.

It is an amenable number.

13690252 is a deficient number, since it is larger than the sum of its proper divisors (10267696).

13690252 is a wasteful number, since it uses less digits than its factorization.

13690252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422567 (or 3422565 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13690252 is about 3700.0340538973. The cubic root of 13690252 is about 239.2234856863.

Adding to 13690252 its reverse (25209631), we get a palindrome (38899883).

The spelling of 13690252 in words is "thirteen million, six hundred ninety thousand, two hundred fifty-two".