13091422 has 4 divisors (see below), whose sum is σ = 19637136. Its totient is φ = 6545710.

The previous prime is 13091417. The next prime is 13091431. The reversal of 13091422 is 22419031.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13091393 and 13091402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272854 + ... + 3272857.

It is an arithmetic number, because the mean of its divisors is an integer number (4909284).

Almost surely, 2^13091422 is an apocalyptic number.

13091422 is a deficient number, since it is larger than the sum of its proper divisors (6545714).

13091422 is an equidigital number, since it uses as much as digits as its factorization.

13091422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545713.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13091422 is about 3618.2070145308. The cubic root of 13091422 is about 235.6833707499.

The spelling of 13091422 in words is "thirteen million, ninety-one thousand, four hundred twenty-two".