14526421 has 8 divisors (see below), whose sum is σ = 17878784. Its totient is φ = 11493360.

The previous prime is 14526401. The next prime is 14526437. The reversal of 14526421 is 12462541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14526421 - 2⁹ = 14525909 is a prime.

It is a super-2 number, since 2×14526421² = 422033814138482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14526401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79725 + ... + 79906.

It is an arithmetic number, because the mean of its divisors is an integer number (2234848).

Almost surely, 2^14526421 is an apocalyptic number.

It is an amenable number.

14526421 is a deficient number, since it is larger than the sum of its proper divisors (3352363).

14526421 is a wasteful number, since it uses less digits than its factorization.

14526421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159651.

The product of its digits is 1920, while the sum is 25.

The square root of 14526421 is about 3811.3542212710. The cubic root of 14526421 is about 243.9979675993.

Adding to 14526421 its reverse (12462541), we get a palindrome (26988962).

The spelling of 14526421 in words is "fourteen million, five hundred twenty-six thousand, four hundred twenty-one".