13072746 has 8 divisors (see below), whose sum is σ = 26145504. Its totient is φ = 4357580.

The previous prime is 13072739. The next prime is 13072757. The reversal of 13072746 is 64727031.

It is a sphenic number, since it is the product of 3 distinct primes.

13072746 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089390 + ... + 1089401.

It is an arithmetic number, because the mean of its divisors is an integer number (3268188).

Almost surely, 2^13072746 is an apocalyptic number.

13072746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13072746 is a wasteful number, since it uses less digits than its factorization.

13072746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178796.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 13072746 is about 3615.6252571305. The cubic root of 13072746 is about 235.5712434504.

Adding to 13072746 its reverse (64727031), we get a palindrome (77799777).

The spelling of 13072746 in words is "thirteen million, seventy-two thousand, seven hundred forty-six".