12948240 has 40 divisors (see below), whose sum is σ = 40140288. Its totient is φ = 3452800.

The previous prime is 12948227. The next prime is 12948269. The reversal of 12948240 is 4284921.

12948240 = 5⁴ + 6⁴ + ... + 36⁴.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a junction number, because it is equal to n+sod(n) for n = 12948198 and 12948207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26736 + ... + 27215.

Almost surely, 2^12948240 is an apocalyptic number.

12948240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12948240 is an abundant number, since it is smaller than the sum of its proper divisors (27192048).

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

12948240 is a wasteful number, since it uses less digits than its factorization.

12948240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53967 (or 53961 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12948240 is about 3598.3662959738. The cubic root of 12948240 is about 234.8209893717.

The spelling of 12948240 in words is "twelve million, nine hundred forty-eight thousand, two hundred forty".