13342140 has 72 divisors (see below), whose sum is σ = 46257120. Its totient is φ = 3049344.

The previous prime is 13342129. The next prime is 13342157. The reversal of 13342140 is 4124331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4035 + ... + 6554.

It is an arithmetic number, because the mean of its divisors is an integer number (642460).

Almost surely, 2^13342140 is an apocalyptic number.

13342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13342140 is an abundant number, since it is smaller than the sum of its proper divisors (32914980).

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

13342140 is a wasteful number, since it uses less digits than its factorization.

13342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611 (or 10606 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13342140 is about 3652.6894201396. The cubic root of 13342140 is about 237.1784160988.

Adding to 13342140 its reverse (4124331), we get a palindrome (17466471).

The spelling of 13342140 in words is "thirteen million, three hundred forty-two thousand, one hundred forty".