13531002 has 24 divisors (see below), whose sum is σ = 28565856. Its totient is φ = 4272264.

The previous prime is 13530991. The next prime is 13531019. The reversal of 13531002 is 20013531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (1190244).

Almost surely, 2^13531002 is an apocalyptic number.

13531002 is an abundant number, since it is smaller than the sum of its proper divisors (15034854).

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

13531002 is a wasteful number, since it uses less digits than its factorization.

13531002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290 (or 6271 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13531002 is about 3678.4510327038. The cubic root of 13531002 is about 238.2922873658.

Adding to 13531002 its reverse (20013531), we get a palindrome (33544533).

The spelling of 13531002 in words is "thirteen million, five hundred thirty-one thousand, two".