13422761 has 4 divisors (see below), whose sum is σ = 14643024. Its totient is φ = 12202500.

The previous prime is 13422733. The next prime is 13422767. The reversal of 13422761 is 16722431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16722431 = 11 ⋅1520221.

It is a cyclic number.

It is not a de Polignac number, because 13422761 - 2⁶ = 13422697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13422761.

It is not an unprimeable number, because it can be changed into a prime (13422767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610115 + ... + 610136.

It is an arithmetic number, because the mean of its divisors is an integer number (3660756).

Almost surely, 2^13422761 is an apocalyptic number.

13422761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13422761 is a deficient number, since it is larger than the sum of its proper divisors (1220263).

13422761 is a wasteful number, since it uses less digits than its factorization.

13422761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220262.

The product of its digits is 2016, while the sum is 26.

The square root of 13422761 is about 3663.7086401623. The cubic root of 13422761 is about 237.6551805786.

The spelling of 13422761 in words is "thirteen million, four hundred twenty-two thousand, seven hundred sixty-one".