13430390 has 16 divisors (see below), whose sum is σ = 25226208. Its totient is φ = 5138496.

The previous prime is 13430383. The next prime is 13430399. The reversal of 13430390 is 9303431.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28967 + ... + 29426.

It is an arithmetic number, because the mean of its divisors is an integer number (1576638).

Almost surely, 2^13430390 is an apocalyptic number.

13430390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13430390 is a deficient number, since it is larger than the sum of its proper divisors (11795818).

13430390 is a wasteful number, since it uses less digits than its factorization.

13430390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58423.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13430390 is about 3664.7496503854. The cubic root of 13430390 is about 237.7001968508.

The spelling of 13430390 in words is "thirteen million, four hundred thirty thousand, three hundred ninety".