13254140 has 24 divisors (see below), whose sum is σ = 28587552. Its totient is φ = 5158080.

The previous prime is 13254127. The next prime is 13254149. The reversal of 13254140 is 4145231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13254149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8216 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (1191148).

Almost surely, 2^13254140 is an apocalyptic number.

13254140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13254140 is an abundant number, since it is smaller than the sum of its proper divisors (15333412).

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

13254140 is a wasteful number, since it uses less digits than its factorization.

13254140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17957 (or 17955 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13254140 is about 3640.6235729611. The cubic root of 13254140 is about 236.6558173518.

Adding to 13254140 its reverse (4145231), we get a palindrome (17399371).

The spelling of 13254140 in words is "thirteen million, two hundred fifty-four thousand, one hundred forty".