13731488 has 12 divisors (see below), whose sum is σ = 27033930. Its totient is φ = 6865728.

The previous prime is 13731467. The next prime is 13731499. The reversal of 13731488 is 88413731.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 394384 = 3652^2 + 628^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214523 + ... + 214586.

Almost surely, 2^13731488 is an apocalyptic number.

It is an amenable number.

13731488 is a deficient number, since it is larger than the sum of its proper divisors (13302442).

13731488 is an equidigital number, since it uses as much as digits as its factorization.

13731488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429119 (or 429111 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 13731488 is about 3705.6022452498. The cubic root of 13731488 is about 239.4634309137.

The spelling of 13731488 in words is "thirteen million, seven hundred thirty-one thousand, four hundred eighty-eight".