13479764 has 6 divisors (see below), whose sum is σ = 23589594. Its totient is φ = 6739880.

The previous prime is 13479743. The next prime is 13479779. The reversal of 13479764 is 46797431.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 2917264 = 3250^2 + 1708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1684967 + ... + 1684974.

It is an arithmetic number, because the mean of its divisors is an integer number (3931599).

Almost surely, 2^13479764 is an apocalyptic number.

It is an amenable number.

13479764 is a deficient number, since it is larger than the sum of its proper divisors (10109830).

13479764 is a wasteful number, since it uses less digits than its factorization.

13479764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369945 (or 3369943 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 13479764 is about 3671.4798106486. The cubic root of 13479764 is about 237.9911255312.

It can be divided in two parts, 1347 and 9764, that added together give a palindrome (11111).

The spelling of 13479764 in words is "thirteen million, four hundred seventy-nine thousand, seven hundred sixty-four".