13434870 has 16 divisors (see below), whose sum is σ = 32243760. Its totient is φ = 3582624.

The previous prime is 13434853. The next prime is 13434887. The reversal of 13434870 is 7843431.

It is an interprime number because it is at equal distance from previous prime (13434853) and next prime (13434887).

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: 447829 = 13434870 / (1 + 3 + 4 + 3 + 4 + 8 + 7 + 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, 223885 + ... + 223944.

It is an arithmetic number, because the mean of its divisors is an integer number (2015235).

Almost surely, 2^13434870 is an apocalyptic number.

13434870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13434870 is an abundant number, since it is smaller than the sum of its proper divisors (18808890).

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

13434870 is a wasteful number, since it uses less digits than its factorization.

13434870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447839.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 13434870 is about 3665.3608280768. The cubic root of 13434870 is about 237.7266239438.

The spelling of 13434870 in words is "thirteen million, four hundred thirty-four thousand, eight hundred seventy".