12953250 has 128 divisors (see below), whose sum is σ = 38188800. Its totient is φ = 3240000.

The previous prime is 12953249. The next prime is 12953261. The reversal of 12953250 is 5235921.

12953250 is a `hidden beast` number, since 129 + 532 + 5 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128200 + ... + 128300.

It is an arithmetic number, because the mean of its divisors is an integer number (298350).

Almost surely, 2^12953250 is an apocalyptic number.

12953250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12953250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19094400).

12953250 is an abundant number, since it is smaller than the sum of its proper divisors (25235550).

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

12953250 is a wasteful number, since it uses less digits than its factorization.

12953250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12953250 is about 3599.0623778979. The cubic root of 12953250 is about 234.8512715170.

It can be divided in two parts, 12953 and 250, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12953250 in words is "twelve million, nine hundred fifty-three thousand, two hundred fifty".