13480425 has 72 divisors (see below), whose sum is σ = 28706496. Its totient is φ = 6143040.

The previous prime is 13480409. The next prime is 13480427. The reversal of 13480425 is 52408431.

It is not a de Polignac number, because 13480425 - 2⁴ = 13480409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13480427) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42367 + ... + 42683.

Almost surely, 2^13480425 is an apocalyptic number.

13480425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13480425 is an abundant number, since it is smaller than the sum of its proper divisors (15226071).

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

13480425 is an equidigital number, since it uses as much as digits as its factorization.

13480425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13480425 is about 3671.5698277440. The cubic root of 13480425 is about 237.9950155489.

Adding to 13480425 its reverse (52408431), we get a palindrome (65888856).

The spelling of 13480425 in words is "thirteen million, four hundred eighty thousand, four hundred twenty-five".