13072316 has 6 divisors (see below), whose sum is σ = 22876560. Its totient is φ = 6536156.

The previous prime is 13072313. The next prime is 13072321. The reversal of 13072316 is 61327031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13072291 and 13072300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634036 + ... + 1634043.

It is an arithmetic number, because the mean of its divisors is an integer number (3812760).

Almost surely, 2^13072316 is an apocalyptic number.

It is an amenable number.

13072316 is a deficient number, since it is larger than the sum of its proper divisors (9804244).

13072316 is a wasteful number, since it uses less digits than its factorization.

13072316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268083 (or 3268081 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13072316 is about 3615.5657925144. The cubic root of 13072316 is about 235.5686605514.

Adding to 13072316 its reverse (61327031), we get a palindrome (74399347).

The spelling of 13072316 in words is "thirteen million, seventy-two thousand, three hundred sixteen".