13772250 has 48 divisors (see below), whose sum is σ = 37246248. Its totient is φ = 3672000.

The previous prime is 13772249. The next prime is 13772263. The reversal of 13772250 is 5227731.

13772250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 12131289 = 1281^2 + 3483^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811 + ... + 5310.

Almost surely, 2^13772250 is an apocalyptic number.

13772250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13772250 is an abundant number, since it is smaller than the sum of its proper divisors (23473998).

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

13772250 is a wasteful number, since it uses less digits than its factorization.

13772250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144 (or 6131 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13772250 is about 3711.0982202038. The cubic root of 13772250 is about 239.7001463552.

Adding to 13772250 its reverse (5227731), we get a palindrome (18999981).

The spelling of 13772250 in words is "thirteen million, seven hundred seventy-two thousand, two hundred fifty".