12103454 has 16 divisors (see below), whose sum is σ = 20445696. Its totient is φ = 5323800.

The previous prime is 12103453. The next prime is 12103457. The reversal of 12103454 is 45430121.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103453) 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, 8192 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (1277856).

Almost surely, 2^12103454 is an apocalyptic number.

12103454 is a deficient number, since it is larger than the sum of its proper divisors (8342242).

12103454 is a wasteful number, since it uses less digits than its factorization.

12103454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12103454 is about 3479.0018683525. The cubic root of 12103454 is about 229.5988849918.

Adding to 12103454 its reverse (45430121), we get a palindrome (57533575).

It can be divided in two parts, 1210 and 3454, that added together give a palindrome (4664).

The spelling of 12103454 in words is "twelve million, one hundred three thousand, four hundred fifty-four".