13427732 has 6 divisors (see below), whose sum is σ = 23498538. Its totient is φ = 6713864.

The previous prime is 13427723. The next prime is 13427749. The reversal of 13427732 is 23772431.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 148996 = 3644^2 + 386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13427695 and 13427704.

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, 1678463 + ... + 1678470.

It is an arithmetic number, because the mean of its divisors is an integer number (3916423).

Almost surely, 2^13427732 is an apocalyptic number.

It is an amenable number.

13427732 is a deficient number, since it is larger than the sum of its proper divisors (10070806).

13427732 is a wasteful number, since it uses less digits than its factorization.

13427732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356937 (or 3356935 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 13427732 is about 3664.3869882970. The cubic root of 13427732 is about 237.6845147843.

The spelling of 13427732 in words is "thirteen million, four hundred twenty-seven thousand, seven hundred thirty-two".