12251401 has 6 divisors (see below), whose sum is σ = 12384206. Its totient is φ = 12120000.

The previous prime is 12251389. The next prime is 12251411. The reversal of 12251401 is 10415221.

12251401 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 3 ways, for example, as 3980025 + 8271376 = 1995^2 + 2876^2 .

It is not a de Polignac number, because 12251401 - 2¹¹ = 12249353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9601 + ... + 10801.

Almost surely, 2^12251401 is an apocalyptic number.

It is an amenable number.

12251401 is a deficient number, since it is larger than the sum of its proper divisors (132805).

12251401 is an equidigital number, since it uses as much as digits as its factorization.

12251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12251401 is about 3500.2001371350. The cubic root of 12251401 is about 230.5306023240.

Adding to 12251401 its reverse (10415221), we get a palindrome (22666622).

The spelling of 12251401 in words is "twelve million, two hundred fifty-one thousand, four hundred one".