13172622 has 16 divisors (see below), whose sum is σ = 26607312. Its totient is φ = 4347200.

The previous prime is 13172617. The next prime is 13172633. The reversal of 13172622 is 22627131.

It is a junction number, because it is equal to n+sod(n) for n = 13172592 and 13172601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10263 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (1662957).

Almost surely, 2^13172622 is an apocalyptic number.

13172622 is an abundant number, since it is smaller than the sum of its proper divisors (13434690).

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

13172622 is a wasteful number, since it uses less digits than its factorization.

13172622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843.

The product of its digits is 1008, while the sum is 24.

The square root of 13172622 is about 3629.4106959670. The cubic root of 13172622 is about 236.1696448537.

Adding to 13172622 its reverse (22627131), we get a palindrome (35799753).

The spelling of 13172622 in words is "thirteen million, one hundred seventy-two thousand, six hundred twenty-two".