13032638 has 4 divisors (see below), whose sum is σ = 19548960. Its totient is φ = 6516318.

The previous prime is 13032623. The next prime is 13032653. The reversal of 13032638 is 83623031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83623031 = 3539 ⋅23629.

It is an interprime number because it is at equal distance from previous prime (13032623) and next prime (13032653).

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, 3258158 + ... + 3258161.

It is an arithmetic number, because the mean of its divisors is an integer number (4887240).

Almost surely, 2^13032638 is an apocalyptic number.

13032638 is a deficient number, since it is larger than the sum of its proper divisors (6516322).

13032638 is an equidigital number, since it uses as much as digits as its factorization.

13032638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516321.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13032638 is about 3610.0745144664. The cubic root of 13032638 is about 235.3300808927.

Adding to 13032638 its reverse (83623031), we get a palindrome (96655669).

It can be divided in two parts, 130 and 32638, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 13032638 in words is "thirteen million, thirty-two thousand, six hundred thirty-eight".