13422045 has 32 divisors (see below), whose sum is σ = 26433792. Its totient is φ = 5663232.

The previous prime is 13422023. The next prime is 13422049. The reversal of 13422045 is 54022431.

It is not a de Polignac number, because 13422045 - 2⁶ = 13421981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3552 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (826056).

Almost surely, 2^13422045 is an apocalyptic number.

13422045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13422045 is a deficient number, since it is larger than the sum of its proper divisors (13011747).

13422045 is a wasteful number, since it uses less digits than its factorization.

13422045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9861.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13422045 is about 3663.6109236653. The cubic root of 13422045 is about 237.6509548178.

Adding to 13422045 its reverse (54022431), we get a palindrome (67444476).

The spelling of 13422045 in words is "thirteen million, four hundred twenty-two thousand, forty-five".