13142500 has 60 divisors (see below), whose sum is σ = 32889472. Its totient is φ = 4500000.

The previous prime is 13142473. The next prime is 13142537. The reversal of 13142500 is 524131.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17125 + ... + 17875.

Almost surely, 2^13142500 is an apocalyptic number.

13142500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16444736).

13142500 is an abundant number, since it is smaller than the sum of its proper divisors (19746972).

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

13142500 is an equidigital number, since it uses as much as digits as its factorization.

13142500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13142500 is about 3625.2586114648. The cubic root of 13142500 is about 235.9894900998.

Adding to 13142500 its reverse (524131), we get a palindrome (13666631).

The spelling of 13142500 in words is "thirteen million, one hundred forty-two thousand, five hundred".