14121620 has 48 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 5431680.

The previous prime is 14121581. The next prime is 14121623. The reversal of 14121620 is 2612141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77930 + ... + 78110.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 2^14121620 is an apocalyptic number.

14121620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14121620 is an abundant number, since it is smaller than the sum of its proper divisors (16698988).

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

14121620 is a wasteful number, since it uses less digits than its factorization.

14121620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 14121620 is about 3757.8743991783. The cubic root of 14121620 is about 241.7101235102.

Adding to 14121620 its reverse (2612141), we get a palindrome (16733761).

It can be divided in two parts, 14121 and 620, that multiplied together give a triangular number (8755020 = T₄₁₈₄).

The spelling of 14121620 in words is "fourteen million, one hundred twenty-one thousand, six hundred twenty".