1422613 has 4 divisors (see below), whose sum is σ = 1461100. Its totient is φ = 1384128.

The previous prime is 1422601. The next prime is 1422637. The reversal of 1422613 is 3162241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3162241 = 1327 ⋅2383.

It can be written as a sum of positive squares in 2 ways, for example, as 544644 + 877969 = 738^2 + 937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19188 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (365275).

2^1422613 is an apocalyptic number.

It is an amenable number.

1422613 is a deficient number, since it is larger than the sum of its proper divisors (38487).

1422613 is an equidigital number, since it uses as much as digits as its factorization.

1422613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38486.

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

The square root of 1422613 is about 1192.7334153112. The cubic root of 1422613 is about 112.4679875994.

Adding to 1422613 its reverse (3162241), we get a palindrome (4584854).

The spelling of 1422613 in words is "one million, four hundred twenty-two thousand, six hundred thirteen".