13775430 has 16 divisors (see below), whose sum is σ = 33061104. Its totient is φ = 3673440.

The previous prime is 13775407. The next prime is 13775441. The reversal of 13775430 is 3457731.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 459181 = 13775430 / (1 + 3 + 7 + 7 + 5 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229561 + ... + 229620.

It is an arithmetic number, because the mean of its divisors is an integer number (2066319).

Almost surely, 2^13775430 is an apocalyptic number.

13775430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13775430 is an abundant number, since it is smaller than the sum of its proper divisors (19285674).

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

13775430 is a wasteful number, since it uses less digits than its factorization.

13775430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459191.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 13775430 is about 3711.5266400768. The cubic root of 13775430 is about 239.7185937840.

The spelling of 13775430 in words is "thirteen million, seven hundred seventy-five thousand, four hundred thirty".