13487430 has 64 divisors (see below), whose sum is σ = 36868608. Its totient is φ = 3125760.

The previous prime is 13487393. The next prime is 13487437. The reversal of 13487430 is 3478431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6702 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (576072).

Almost surely, 2^13487430 is an apocalyptic number.

13487430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13487430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18434304).

13487430 is an abundant number, since it is smaller than the sum of its proper divisors (23381178).

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

13487430 is a wasteful number, since it uses less digits than its factorization.

13487430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821.

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

The square root of 13487430 is about 3672.5236554718. The cubic root of 13487430 is about 238.0362325084.

It can be divided in two parts, 1348 and 7430, that added together give a palindrome (8778).

The spelling of 13487430 in words is "thirteen million, four hundred eighty-seven thousand, four hundred thirty".