15014421 has 12 divisors (see below), whose sum is σ = 21985548. Its totient is φ = 9872064.

The previous prime is 15014401. The next prime is 15014437. The reversal of 15014421 is 12441051.

It can be written as a sum of positive squares in 2 ways, for example, as 5336100 + 9678321 = 2310^2 + 3111^2 .

It is not a de Polignac number, because 15014421 - 2¹⁴ = 14998037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15014394 and 15014403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15014401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10770 + ... + 12083.

It is an arithmetic number, because the mean of its divisors is an integer number (1832129).

Almost surely, 2^15014421 is an apocalyptic number.

It is an amenable number.

15014421 is a deficient number, since it is larger than the sum of its proper divisors (6971127).

15014421 is a wasteful number, since it uses less digits than its factorization.

15014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932 (or 22929 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 15014421 is about 3874.8446420470. The cubic root of 15014421 is about 246.7002159951.

Adding to 15014421 its reverse (12441051), we get a palindrome (27455472).

The spelling of 15014421 in words is "fifteen million, fourteen thousand, four hundred twenty-one".