12401790 has 32 divisors (see below), whose sum is σ = 30066336. Its totient is φ = 3273600.

The previous prime is 12401743. The next prime is 12401791. The reversal of 12401790 is 9710421.

12401790 is nontrivially palindromic in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 12401790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (939573).

Almost surely, 2^12401790 is an apocalyptic number.

12401790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12401790 is an abundant number, since it is smaller than the sum of its proper divisors (17664546).

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

12401790 is a wasteful number, since it uses less digits than its factorization.

12401790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12401790 is about 3521.6175260809. The cubic root of 12401790 is about 231.4700423210.

The spelling of 12401790 in words is "twelve million, four hundred one thousand, seven hundred ninety".