13072302 has 24 divisors (see below), whose sum is σ = 28619136. Its totient is φ = 4311936.

The previous prime is 13072289. The next prime is 13072309. The reversal of 13072302 is 20327031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1998 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (1192464).

Almost surely, 2^13072302 is an apocalyptic number.

13072302 is an abundant number, since it is smaller than the sum of its proper divisors (15546834).

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

13072302 is a wasteful number, since it uses less digits than its factorization.

13072302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 13072302 is about 3615.5638564407. The cubic root of 13072302 is about 235.5685764561.

Adding to 13072302 its reverse (20327031), we get a palindrome (33399333).

The spelling of 13072302 in words is "thirteen million, seventy-two thousand, three hundred two".