1214623 has 2 divisors, whose sum is σ = 1214624. Its totient is φ = 1214622.

The previous prime is 1214617. The next prime is 1214639. The reversal of 1214623 is 3264121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214623 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1214623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607311 + 607312.

It is an arithmetic number, because the mean of its divisors is an integer number (607312).

2^1214623 is an apocalyptic number.

1214623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214623 is an equidigital number, since it uses as much as digits as its factorization.

1214623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 1214623 is about 1102.0993603119. The cubic root of 1214623 is about 106.6957613776.

Adding to 1214623 its reverse (3264121), we get a palindrome (4478744).

The spelling of 1214623 in words is "one million, two hundred fourteen thousand, six hundred twenty-three".