13121022 has 8 divisors (see below), whose sum is σ = 26242056. Its totient is φ = 4373672.

The previous prime is 13120999. The next prime is 13121033. The reversal of 13121022 is 22012131.

Added to its reverse (22012131) it gives a triangular number (35133153 = T₈₃₈₂).

It is a sphenic number, since it is the product of 3 distinct primes.

13121022 is an admirable number.

It is a super-2 number, since 2×13121022² = 344322436648968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13120989 and 13121007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093413 + ... + 1093424.

It is an arithmetic number, because the mean of its divisors is an integer number (3280257).

Almost surely, 2^13121022 is an apocalyptic number.

13121022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13121022 is a wasteful number, since it uses less digits than its factorization.

13121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186842.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13121022 is about 3622.2951287823. The cubic root of 13121022 is about 235.8608655136.

Adding to 13121022 its reverse (22012131), we get a palindrome (35133153).

The spelling of 13121022 in words is "thirteen million, one hundred twenty-one thousand, twenty-two".