12950280 has 160 divisors (see below), whose sum is σ = 49832640. Its totient is φ = 2954880.

The previous prime is 12950263. The next prime is 12950291. The reversal of 12950280 is 8205921.

12950280 = 283² + 284² + ... + 394².

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22395 + ... + 22965.

It is an arithmetic number, because the mean of its divisors is an integer number (311454).

Almost surely, 2^12950280 is an apocalyptic number.

12950280 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 12950280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24916320).

12950280 is an abundant number, since it is smaller than the sum of its proper divisors (36882360).

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

12950280 is a wasteful number, since it uses less digits than its factorization.

12950280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 12950280 is about 3598.6497467800. The cubic root of 12950280 is about 234.8333207686.

The spelling of 12950280 in words is "twelve million, nine hundred fifty thousand, two hundred eighty".