14401556 has 12 divisors (see below), whose sum is σ = 27141492. Its totient is φ = 6646848.

The previous prime is 14401553. The next prime is 14401559. The reversal of 14401556 is 65510441.

It is an interprime number because it is at equal distance from previous prime (14401553) and next prime (14401559).

It can be written as a sum of positive squares in 2 ways, for example, as 4579600 + 9821956 = 2140^2 + 3134^2 .

It is a super-2 number, since 2×14401556² = 414809630442272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14401553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138425 + ... + 138528.

It is an arithmetic number, because the mean of its divisors is an integer number (2261791).

Almost surely, 2^14401556 is an apocalyptic number.

It is an amenable number.

14401556 is a deficient number, since it is larger than the sum of its proper divisors (12739936).

14401556 is a wasteful number, since it uses less digits than its factorization.

14401556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276970 (or 276968 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 14401556 is about 3794.9382076656. The cubic root of 14401556 is about 243.2968423835.

Adding to 14401556 its reverse (65510441), we get a palindrome (79911997).

The spelling of 14401556 in words is "fourteen million, four hundred one thousand, five hundred fifty-six".